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The Carbon Element

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Electrons move around ___________ the nucleus and have a _________ charge.

a)

inside, positive

b)

on top of, negative

c)

outside, negative

d)

without, neutral

2.

The center of an atom is called the ___________.

a)

middle

b)

top

c)

nucleus

d)

electron

3.

The atomic number determines ____________

a)

its symbol

b)

what the element is

c)

the number of protons and neutrons

d)

the number of proton in the atom

4.

What are the two parts of the nucleus?

a)

protons and electrons

b)

particles and molecules

c)

protons and neutrons

d)

protons and atomic number

5.

Which particle of an atom has a positive charge?

a)

proton

b)

electron

c)

neutron

d)

nucleus

6.

Neutrons have a neutral charge.

a)

true

b)

false

7.

Which of these statements is not true about Carbon?

a)

it is the most important element to life

b)

it is able to form very stable bonds

c)

it is the main element in organic compounds

d)

it can be found in carbohydrates

8.

Why is Carbon essential for life?

a)

it is the 6th element on the periodic table

b)

it is an element found in all living things

c)

it is the main element in organic compounds

d)

it has four protons on its outermost shell

9.

What other elements, besides Carbon, are found in all living things in different percentages?

a)

Beryllium, Oxygen, Nitrogen, Lithium, Hydrogen

b)

Phosphorus, Boron, Helium, Sulfur, Oxygen

c)

Sulfur, Oxygen, Nitrogen, Phosphorus, Hydrogen

d)

Lithium, Boron, Oxygen, Nitrogen, Sulfur

10.

What are the four organic molecules found in living things?

a)

Carbohydrates, Lipids, Nucleic Acids, and Oxygen

b)

Carbohydrates, Lipids, Proteins, and Nucleic acids

c)

Carbohydrates, Lipids, Proteins, and Carbon

d)

Carbohydrates, Lipids, Oxygen, and Nucleic acids